Abducens nerve on MRI

Case contributed by Frank Gaillard
Diagnosis certain

Presentation

Being assessed for left sided hearing loss.

Patient Data

Age: Adult
Gender: Male

Annotated MRI (FIESTA)

mri

Annotated high resolution FIESTA sequence through the medulla and pons demonstrates the normal course of the abducens nerve (CN VI)  (white arrow) as it ascends from the ponto-medullary junction to Dorello's canal. 

Case Discussion

The abducens nerve is difficult to see on routine imaging, but can be delineated on high resolution sequences. 

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